28755946 has 4 divisors (see below), whose sum is σ = 43133922. Its totient is φ = 14377972.

The previous prime is 28755871. The next prime is 28755967. The reversal of 28755946 is 64955782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28740321 + 15625 = 5361^2 + 125^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28755896 and 28755905.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7188985 + ... + 7188988.

Almost surely, 2^28755946 is an apocalyptic number.

28755946 is a deficient number, since it is larger than the sum of its proper divisors (14377976).

28755946 is a wasteful number, since it uses less digits than its factorization.

28755946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14377975.

The product of its digits is 604800, while the sum is 46.

The square root of 28755946 is about 5362.4570860754. The cubic root of 28755946 is about 306.3674015521.

The spelling of 28755946 in words is "twenty-eight million, seven hundred fifty-five thousand, nine hundred forty-six".